Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

The Fluid Mosaic Model01:34

The Fluid Mosaic Model

The fluid mosaic model was first proposed as a visual representation of research observations. The model comprises the composition and dynamics of membranes and serves as a foundation for future membrane-related studies. The model depicts the structure of the plasma membrane with a variety of components, which include phospholipids, proteins, and carbohydrates. These integral molecules are loosely bound, defining the cell’s border and providing fluidity for optimal function.
Membrane Fluidity01:23

Membrane Fluidity

Cell membranes are composed of phospholipids, proteins, and carbohydrates loosely attached to one another through chemical interactions. Molecules are generally able to move about in the plane of the membrane, giving the membrane its flexible nature called fluidity. Two other features of the membrane contribute to membrane fluidity: the chemical structure of the phospholipids and the presence of cholesterol in the membrane.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Electrically Active Polymer Micro/Nanofibers via Electrospinning/Electrowriting for Sensing and Biomedical Applications.

ACS applied materials & interfaces·2026
Same author

Vertically Aligned Nanopillar Electrodes: Engineered Interfaces for Electrophysiology and Cell-Electrode Coupling.

Small methods·2026
Same author

Geometry-engineered hourglass-shaped cracks enable wide-linearity wearable strain sensors.

Materials horizons·2026
Same author

Recent Advances in Oral Drug Delivery Systems for BCS III Drugs.

Current issues in molecular biology·2026
Same author

Understanding the Roles of Microstructure and Viscoelasticity of Soft Ionic Elastomer for Super-Capacitive Pressure Sensors.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Effects of prenatal yoga on birth outcomes in nulliparous women: a systematic review and meta-analysis of randomized controlled trials.

BMC pregnancy and childbirth·2025

Related Experiment Video

Updated: May 8, 2026

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

Reversible photorheological lyotropic liquid crystals.

Shuhua Peng1, Qipeng Guo, Timothy C Hughes

  • 1Polymers Research Group, Institute for Frontier Materials, Deakin University , Locked Bag 2000, Geelong, Victoria 3220, Australia.

Langmuir : the ACS Journal of Surfaces and Colloids
|September 10, 2013
PubMed
Summary
This summary is machine-generated.

Novel photoresponsive surfactants create lyotropic liquid-crystalline (LLC) materials with rapid, reversible solid-to-liquid transitions. These materials show unprecedented rheological changes, paving the way for new photorheological fluid applications.

More Related Videos

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites
12:21

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Published on: February 6, 2016

Related Experiment Videos

Last Updated: May 8, 2026

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites
12:21

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Published on: February 6, 2016

Area of Science:

  • Materials Science
  • Physical Chemistry
  • Soft Matter Physics

Background:

  • Lyotropic liquid-crystalline (LLC) materials exhibit unique properties based on amphiphile concentration and water content.
  • Controlling the rheological properties of LLCs, especially in response to external stimuli, is crucial for advanced applications.
  • Photoresponsive materials offer dynamic control over material properties through light irradiation.

Purpose of the Study:

  • To develop novel photoresponsive amphiphiles for creating switchable lyotropic liquid-crystalline materials.
  • To investigate the rapid and reversible photoswitchable rheological properties of these novel LLC systems.
  • To explore the potential applications of these materials as photorheological fluids.

Main Methods:

  • Synthesis of a novel azobenzene-containing surfactant (azo-surfactant).
  • Preparation of azo-surfactant/water mixtures at varying concentrations (20-55 wt % water).
  • Characterization using spectroscopic, microscopic, and rheological analyses under UV and visible light irradiation.

Main Results:

  • Azo-surfactant/water mixtures formed highly ordered, viscous LLC phases.
  • UV irradiation induced trans to cis isomerization of the azo-surfactant, disrupting LLC phases.
  • Rheological properties shifted dramatically from solid-like (20,000 Pa) to liquid-like (50 Pa) – a 3-order magnitude change at 13,500 Pa/s.
  • Visible light exposure reversed the transition, restoring initial viscosity.

Conclusions:

  • Novel azo-surfactant enables rapid, reversible, and large-magnitude photoswitchable rheological behavior in LLCs.
  • The observed photorheological effect demonstrates unprecedented control over material states.
  • These findings suggest significant potential for photorheological fluids in various technological applications.